Finding the Fourth Proportional to 16,613.56, 24,917.89 and 5,520

Step by Step Solution

1. Step 1: Write the proportion equation
   16,613.56 : 24,917.89 = 5,520 : x
2. Step 2: Convert to fraction form
   16,613.56/24,917.89 = 5,520/x
3. Step 3: Cross multiply
   16,613.56x = 24,917.89 × 5,520
4. Step 4: Simplify right side
   16,613.56x = 137,546,752.80
5. Step 5: Solve for x
   x = 137,546,752.80/16,613.56
6. Step 6: Final answer
   x = 8,279.19